From: Assessment of eye fatigue caused by head-mounted displays using eye-tracking

Feature rank | Two-class classification | Three-class classification | Four-class classification |
---|---|---|---|

1 | Length of scanpath | Length of scanpath | Length of scanpath |

2 | Mean duration of blinking | Mean duration of blinking | Mean duration of blinking |

3 | Variance of blink durations | Variance of blink durations | Variance of blink durations |

4 | Mean duration of fixation | Mean duration of fixation | Mean duration of fixation |

5 | Variance of fixation durations | Variance of fixation durations | Variance of fixation durations |

6 | Total duration of blinking | Total duration of blinking | Mean of saccade length |

7 | Total duration of fixation | Total duration of fixation | Total duration of blinking |

8 | Number of fixation | Number of fixation | Total duration of fixation |

9 | Times of blinking | Times of blinking | Number of fixation |

10 | Mean of saccade length | Mean of saccade length | Times of blinking |